/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package ru.miit.elearning.servlets.pages;

import java.io.IOException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hibernate.Session;
import ru.miit.elearning.hibernate.dao.ConfigurationDAO;
import ru.miit.elearning.hibernate.dao.HibernateUtil;
import ru.miit.elearning.hibernate.dto.AdditionalProperty;
import ru.miit.elearning.hibernate.dto.PropertyType;

/**
 *
 * @author Cyclone
 */
public class PropertyServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        Session session = null;
        String message = null;

        try {
            session = HibernateUtil.getSessionFactory().getCurrentSession();
            session.beginTransaction();

            String idString = request.getParameter("propertyId");
            int propertyId = Integer.parseInt(idString);

            ConfigurationDAO configurationDAO = new ConfigurationDAO(session);
            AdditionalProperty property = configurationDAO.findAdditionalProperty(propertyId);

            request.setAttribute("property", property);

            try {
                List<PropertyType> propertyTypeList = configurationDAO.findAllPropertyTypes();
                request.setAttribute("propertyTypeList", propertyTypeList);
            } catch (Exception e) {
                e.printStackTrace();
                String errorMes = "Ошибка запроса списка типов дополнительных свойств";
                if (message != null) {
                    message += "<br/>" + errorMes;
                } else {
                    message = errorMes;
                }
            }


            request.setAttribute("message", message);
            getServletContext().getRequestDispatcher("/propertyProfile.jsp").forward(request, response);

            session.getTransaction().commit();
        } catch (Exception e) {
            message = "Ошибка запроса дополнительного свойства";
            e.printStackTrace();

            request.setAttribute("message", message);
            getServletContext().getRequestDispatcher("/propertyProfile.jsp").forward(request, response);
            if (session != null && session.isOpen()) {
                session.getTransaction().rollback();
            }

        } finally {
            if (session != null && session.isOpen()) {
                session.close();
            }
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
